panic: runtime error: index out of range [3] with length 0 goroutine 817 gp=0xc0023801c0 m=22 mp=0xc0006de708 [running]: panic({0x12b8e20?, 0xc00064b5f0?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc00094f778 sp=0xc00094f6c8 pc=0x4740c8 runtime.goPanicIndex(0x3, 0x0) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:115 +0x74 fp=0xc00094f7b8 sp=0xc00094f778 pc=0x438b74 encoding/binary.littleEndian.Uint32(...) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/encoding/binary/binary.go:87 gvisor.dev/gvisor/pkg/sentry/socket/netstack.setSockOptPacket(0x7fce4e549050?, {0xc00094f8e0?, 0x40e7ff?}, {0x7fce4e549050?, 0xc001c7c388?}, 0x200000001?, {0xc002398b1c?, 0x0?, 0xc0023801c0?}) pkg/sentry/socket/netstack/netstack.go:2754 +0x1e5 fp=0xc00094f898 sp=0xc00094f7b8 pc=0xba51c5 gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0x46e47a?, {0x15df0d8?, 0xc001c74a00?}, {0x7fce4e549050?, 0xc001c7c388?}, 0x0?, 0xc00094f988?, {0xc002398b1c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:1873 +0x148 fp=0xc00094f8f0 sp=0xc00094f898 pc=0xba2468 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt(0xc001c74a00, 0xc002398008?, 0x107?, 0xa?, {0xc002398b1c, 0x0?, 0x90?}) pkg/sentry/socket/netstack/netstack.go:634 +0x225 fp=0xc00094f998 sp=0xc00094f8f0 pc=0xb9c8e5 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0xc002398008, 0xc00094fb10?, {{0x5}, {0x107}, {0xa}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_socket.go:551 +0x246 fp=0xc00094fa78 sp=0xc00094f998 pc=0xc2a546 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc002398008, 0x36, {{0x5}, {0x107}, {0xa}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x657 fp=0xc00094fca8 sp=0xc00094fa78 pc=0xa777f7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc002398008, 0x36, {{0x5}, {0x107}, {0xa}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x45 fp=0xc00094fd00 sp=0xc00094fca8 pc=0xa78965 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc002398008, 0x36, {{0x5}, {0x107}, {0xa}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x65 fp=0xc00094fd50 sp=0xc00094fd00 pc=0xa78665 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000b1fd40?) pkg/sentry/kernel/task_syscall.go:258 +0x2a5 fp=0xc00094fe28 sp=0xc00094fd50 pc=0xa783e5 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00043c750?, 0xc002398008) pkg/sentry/kernel/task_run.go:269 +0xf17 fp=0xc00094ff30 sp=0xc00094fe28 pc=0xa6dbd7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc002398008, 0x19) pkg/sentry/kernel/task_run.go:97 +0x214 fp=0xc00094ffc0 sp=0xc00094ff30 pc=0xa6c634 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x25 fp=0xc00094ffe0 sp=0xc00094ffc0 pc=0xa76205 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc00094ffe8 sp=0xc00094ffe0 pc=0x47d1a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 768 pkg/sentry/kernel/task_start.go:412 +0xc5